code.delx.au - comingnext/blob - ComingNext_SkinFetcher/src/SkinFetcher.cpp

   1 /*
   2  ============================================================================
   3  Name           : SkinFetcher.cpp
   4  Author   : Michael Prager
   5  Version         : 1.0
   6  Copyright   : Licensed under GPLv3
   7  Description : CSkinFetcher implementation
   8  ============================================================================
   9  */
  10
  11 #include <AknsUtils.h>
  12 #include <AknsDrawUtils.h>
  13 #include <ImageConversion.h>
  14 #include <AknViewAppUi.h>
  15 #include <AknsBasicBackgroundControlContext.h>
  16 #include "SkinFetcher.h"
  17
  18 CSkinFetcher::CSkinFetcher()
  19 {
  20         // No implementation required
  21 }
  22
  23 CSkinFetcher::~CSkinFetcher()
  24 {
  25 }
  26
  27 CSkinFetcher* CSkinFetcher::NewLC()
  28 {
  29         CSkinFetcher* self = new (ELeave) CSkinFetcher();
  30         CleanupStack::PushL(self);
  31         self->ConstructL();
  32         return self;
  33 }
  34
  35 CSkinFetcher* CSkinFetcher::NewL()
  36 {
  37         CSkinFetcher* self = CSkinFetcher::NewLC();
  38         CleanupStack::Pop(); // self;
  39         return self;
  40 }
  41
  42 void CSkinFetcher::ConstructL()
  43 {
  44
  45 }
  46
  47 void CSkinFetcher::GenerateBackgroundImage(TInt aPosition,
  48                 CAknAppUiBase::TAppUiOrientation aOrientation)
  49 {
  50         CAknAppUiBase::TAppUiOrientation oldOrientation =
  51                         iAvkonAppUi->Orientation();
  52         iAvkonAppUi->SetOrientationL(aOrientation);
  53
  54         TSize screenSize;
  55         if (aOrientation == CAknViewAppUi::EAppUiOrientationPortrait)
  56                 screenSize = TSize(360, 640);
  57         else
  58                 screenSize = TSize(640, 360);
  59         TSize outputSize = TSize(312, 82);
  60
  61         // draw homescreen graphics into offscreen buffer
  62         CFbsBitmap* offScreenBitmap = new (ELeave) CFbsBitmap();
  63         CleanupStack::PushL(offScreenBitmap);
  64         User::LeaveIfError(offScreenBitmap->Create(outputSize, EColor16MA));
  65         CFbsBitmapDevice* bitmapDevice = CFbsBitmapDevice::NewL(offScreenBitmap);
  66         CleanupStack::PushL(bitmapDevice);
  67         CFbsBitGc* bitGc = 0;
  68         User::LeaveIfError(bitmapDevice->CreateContext(bitGc));
  69         CleanupStack::PushL(bitGc);
  70 #define COUNT 5
  71         TRect outer[COUNT];
  72         if (aOrientation == CAknViewAppUi::EAppUiOrientationPortrait)
  73         {
  74                 for (int i = 0; i < COUNT; i++)
  75                         outer[i] = TRect(22, 136 + i * 86, 334, 136 + i * 86 + 82);
  76         }
  77         else
  78         {
  79                 /* width: 312
  80                  * height: 82
  81                  * spacing x: 4
  82                  * spacing y: 5
  83                  * slot1: 322, 50, 634, 132
  84                  * slot2: 5, 136, 317, 218
  85                  */
  86                 for (int i = 0; i < COUNT; i++)
  87                         if ((i + 1) % 2 == 0)
  88                                 outer[i] = TRect(5, 50 + (i + 1) / 2 * 86, 317, 50 + (i + 1)
  89                                                 / 2 * 86 + 82);
  90                         else
  91                                 outer[i] = TRect(322, 50 + (i + 1) / 2 * 86, 634, 50 + (i + 1)
  92                                                 / 2 * 86 + 82);
  93         }
  94
  95         MAknsSkinInstance* skin = AknsUtils::SkinInstance();
  96         CAknsBasicBackgroundControlContext* context =
  97                         CAknsBasicBackgroundControlContext::NewL(KAknsIIDWallpaper, TRect(
  98                                         0, 0, screenSize.iWidth, screenSize.iHeight), EFalse);
  99         CleanupStack::PushL(context);
 100         AknsDrawUtils::DrawBackground(skin, context, NULL, *bitGc, TPoint(0, 0),
 101                         outer[aPosition], KAknsDrawParamDefault);
 102         TRect innerBox = TRect(outputSize);
 103         innerBox.Shrink(5, 5);
 104         AknsDrawUtils::DrawFrame(skin, *bitGc, TRect(outputSize), innerBox,
 105                         KAknsIIDQgnHomeBgWidget, KAknsIIDQgnHomeBgWidgetCenter);
 106
 107         // save buffer into png
 108         TFileName filename;
 109         if (aOrientation == CAknViewAppUi::EAppUiOrientationPortrait)
 110                 filename.Copy(_L("c:\\data\\background_portrait.png"));
 111         else
 112                 filename.Copy(_L("c:\\data\\background_landscape.png"));
 113         CImageEncoder* iImageEncoder = CImageEncoder::FileNewL(
 114                         CEikonEnv::Static()->FsSession(), filename, _L8("image/png"),CImageEncoder::EOptionAlwaysThread);
 115         CleanupStack::PushL(iImageEncoder);
 116         TRequestStatus iStatus = KErrNone;
 117         iImageEncoder->Convert(&iStatus, *offScreenBitmap);
 118         User::WaitForRequest(iStatus);
 119
 120         CleanupStack::PopAndDestroy(5);
 121         iAvkonAppUi->SetOrientationL(oldOrientation);
 122 }
 123